77670676 has 6 divisors (see below), whose sum is σ = 135923690. Its totient is φ = 38835336.

The previous prime is 77670647. The next prime is 77670709. The reversal of 77670676 is 67607677.

It can be written as a sum of positive squares in only one way, i.e., 76108176 + 1562500 = 8724^2 + 1250^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9708831 + ... + 9708838.

Almost surely, 2^77670676 is an apocalyptic number.

It is an amenable number.

77670676 is a deficient number, since it is larger than the sum of its proper divisors (58253014).

77670676 is a wasteful number, since it uses less digits than its factorization.

77670676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19417673 (or 19417671 counting only the distinct ones).

The product of its (nonzero) digits is 518616, while the sum is 46.

The square root of 77670676 is about 8813.0968450369. The cubic root of 77670676 is about 426.6636997949.

The spelling of 77670676 in words is "seventy-seven million, six hundred seventy thousand, six hundred seventy-six".